AR9 Right-Side Charging Bufferless Upper Assembly – 5″ Parkerized M4 Barrel, 1:10 Twist Rate with 4″ MLOK Handguard

An ultra-compact 9mm upper. No buffer needed.
This Bufferless 9mm Pistol-Length Upper sports a 5″ barrel with a 1:10 twist, plus a bufferless bolt carrier and recoil assembly contained entirely within the upper, significantly reducing overall length.
Includes Sealed, Bufferless End Plate
This upper includes a sealed end plate to cap the lower receiver! The plate features a Picatinny rail for attaching a folding stock adapter and covers any 9mm lower’s buffer tube housing.
Other Upper Features
Also included is a 4″ MLOK rail, and M4 flat-top billet upper receiver. Equipped with a top-tier 9mm bolt carrier group and a flash hider, this upper also showcases the latest Gen 2 Side Charging handle for seamless operation. Designed to seamlessly integrate with mil-spec AR9 80% lowers and retail AR9 lowers, this upper offers unparalleled performance and compatibility.
AR-9 Upper Assembly Specs
Barrel

Chamber: 9mm
Contour: M4
Length: 5”
Twist Rate: 1:10
Gas System: Blow-back
Muzzle Threads: 1/2×36
Feed Ramps: Single
Material: 4150 CMV
Finish: Parkerization
Process: Button Rifled
Lining: QPQ Nitride
Extension: M4
Muzzle: Spiral Flash Hider

Handguard

Attachment System: 4″ M-Lok
Finish: Type III Hardcoat Anodized (Mil-Spec)
Top Rail: Split Rail / 1913 / Picatinny Rail
Material: 6061-T6 Billet Aluminum
Attachment: Barrel Nut

Upper Receiver

Profile: A3 Flattop
Material: Forged 7075-T6 Aluminum
Finish: Type III Hardcoat Anodized (Mil-Spec)

Bolt Carrier Group

Profile: 9mm / Blow-back
Steel: 9310 Tool, HPT/MPI-tested
Exterior: Black Nitride
Interior: Parkerized
Gas Key: 9mm Blow-back
Charging Handle: Included Left-Side Charging

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